Four military search planes were dispatched Thursday to determine whether two large objects bobbing in a remote part of the Indian Ocean, off the coast of Australia, are debris from the Malaysia Airlines flight that has been missing for 13 days with 239 people on board. But poor visibility in the area was hampering the search effort.
One of the objects spotted by satellite imagery was almost 80 feet in length; the other was 15 feet. There could be other objects in the area, a four-hour flight from Australia's southwestern coast, said John Young, manager of the Australian Maritime Safety Authority's emergency response division.
"This is a lead, it's probably the best lead we have right now," Young said. He cautioned that the objects could be seaborne debris along a shipping route where containers can fall off cargo vessels, although the larger object is longer than a container.
Malaysian officials, meanwhile, said they are hopeful but cautious about the discovery, with Acting Minister of Transport Hishammuddin Hussein warning Thursday that the images may not be related to the aircraft.
Other experts said it was most likely not pieces of Flight 370.
"The chances of it being debris from the airplane are probably small, and the chances of it being debris from other shipping are probably large," said Jason Middleton, an aviation professor at the University of New South Wales in Sydney.
Middleton also said the ocean to the west and south of Perth where the objects were spotted is notoriously stormy.
Selamat Bin Omar, the father of a passenger on the missing plane, said he could only wait for the results of the search and accept that fate.
"We do not yet know for sure whether this is indeed MH370 or something else," he said. "We are still waiting for further notice from the Australian government."
The fate of Flight MH370 has baffled aviation experts for nearly two weeks.
Investigators believe that someone with detailed knowledge of both the Boeing 777-200ER and commercial aviation navigation switched off the plane's communications systems before diverting it thousands of miles off its scheduled course.
Exhaustive background checks of the passengers and crew aboard have not yielded anything that might explain why.
The hunt for the Boeing 777 has been punctuated by several false leads since it disappeared March 8 above the Gulf of Thailand. Oil slicks that were spotted did not contain jet fuel. A yellow object thought to be from the plane turned out to be a piece of sea trash. Chinese satellite images showed possible plane debris, but nothing was found.
But this is the first time that possible objects have been spotted since the search area was massively expanded into two corridors, one stretching from northern Thailand into Central Asia and the other from the Strait of Malacca down to southern reaches of the Indian Ocean.
Flight 370 disappeared March 8 on a night flight from Kuala Lumpur to Beijing. Malaysian authorities have not ruled out any possible explanation, but have said the evidence so far suggests the plane was deliberately turned back across Malaysia to the Strait of Malacca, with its communications systems disabled. They are unsure what happened next.
Al Jazeera and wire services
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